Cita APA (7a ed.)

Kaufmann, W. (1961). Philosophic classics. Prentice-Hall.

Cita Chicago Style (17a ed.)

Kaufmann, Walter. Philosophic Classics. Englewood Cliffs, N.J: Prentice-Hall, 1961.

Cita MLA (9a ed.)

Kaufmann, Walter. Philosophic Classics. Prentice-Hall, 1961.